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Digital Electronics

Digital Electronics
When an input signal 1 is applied to a NOT gate, the output is ___________.

Either 0 & 1
None of these
1

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When all input is LOW
 When all inputs are HIGH
 When any input is LOW
 When any input is HIGH

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Digital Electronics
A NAND gate is called a universal logic element because

All the minization techniques are applicable for optimum NAND gate realization
Any logic function can be realized by NAND gates alone
It is used by everybody
Many digital computers use NAND gates.

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Digital Electronics
Truth table is used to express

 Boolean matrix
 Boolean map
 Boolean expression
 Boolean addition

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Digital Electronics
In which of the following base systems is 123 not a valid number?

Base 3
Base 10
Base 16
Base 8

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 OR
 NAND
 NOT
 AND

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